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Second and Third Harmonic Generation Susceptibilities of Spherical Quantum Dots: Effects of Impurities, Electric Field and Size

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Abstract:

Studying the case of spherical quantum dot with parabolic confinement subjected to an external electric field with the presence of an impurity, the second and third harmonic generation susceptibilities have been calculated. The numerical method we are using for the calculation of the energy levels and the corresponding wavefunctions, is the potential morphing method in the effective mass approximation. As our results indicate an increase of the electric field and/or the position of the impurity and/or the quantum dot radius enhances the peak values of the second and third harmonic generation susceptibilities and redshifts the peak positions of their spectrum.

Keywords: IMPURITIES; NONLINEAR OPTICAL PROPERTIES; QUANTUM DOTS

Document Type: Research Article

DOI: https://doi.org/10.1166/jctn.2009.1020

Publication date: 2009-01-01

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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